nager $widgets_manager
	 */
	public function register_module( $widgets_manager ) {
		include EPIC_DIR . 'includes/class/Elementor/module-elementor.php';

		$modules = $this->get_module_instance()->populate_module();

		$exclude = array(
			'social_icon_wrapper',
			'social_icon_item',
			'social_counter_wrapper',
			'social_counter_item',
			'widget'
		);

		foreach ( $modules as $module ) {
			if ( in_array( $module['type'], $exclude ) ) {
				continue;
			}

			$classname = '\\' . $module['name'] . '_Elementor';
			$widgets_manager->register_widget_type( new $classname() );
		}
	}

	public function register_group() {
		// List of category.
		$epic_module   = esc_html__( 'EPIC - Module', 'epic-ne' );
		$epic_hero     = esc_html__( 'EPIC - Hero', 'epic-ne' );
		$epic_slider   = esc_html__( 'EPIC - Slider', 'epic-ne' );
		$epic_element  = esc_html__( 'EPIC - Element', 'epic-ne' );
		$epic_carousel = esc_html__( 'EPIC - Carousel', 'epic-ne' );
		$epic_footer   = esc_html__( 'EPIC - Footer', 'epic-ne' );
		$epic_post     = esc_html__( 'EPIC - Post', 'epic-ne' );
		$epic_archive  = esc_html__( 'EPIC - Archive', 'epic-ne' );

		// We need to match this group with category on `EPIC\Elementor\ModuleElementorAbstract::get_categories`.
		$groups = array(
			strtolower( str_replace( ' ', '', $epic_module ) ) => $epic_module,
			strtolower( str_replace( ' ', '', $epic_hero ) ) => $epic_hero,
			strtolower( str_replace( ' ', '', $epic_slider ) ) => $epic_slider,
			strtolower( str_replace( ' ', '', $epic_element ) ) => $epic_element,
			strtolower( str_replace( ' ', '', $epic_carousel ) ) => $epic_carousel,
			strtolower( str_replace( ' ', '', $epic_footer ) ) => $epic_footer,
			strtolower( str_replace( ' ', '', $epic_post ) ) => $epic_post,
			strtolower( str_replace( ' ', '', $epic_archive ) ) => $epic_archive,
		);

		foreach ( $groups as $key => $value ) {
			\Elementor\Plugin::$instance->elements_manager->add_category( $key, [ 'title' => $value ], 1 );
		}
	}

	public function register_control() {
		$controls = array(
			'alert'         => 'EPIC\Elementor\Control\Alert',
			'dynamicselect' => 'EPIC\Elementor\Control\Dynamicselect',
		);

		foreach ( $controls as $type => $classname ) {
			\Elementor\Plugin::instance()->controls_manager->register_control( $type, new $classname() );
		}
	}

	public function register_custom_css_option( $element ) {
		$element->add_control(
			'custom_css',
			[
				'label'       => esc_html__( 'Custom CSS Setting', 'epic-ne' ),
				'type'        => \Elementor\Controls_Manager::CODE,
				'default'     => '',
				'description' => esc_html__( 'Enter custom CSS (Note: it will be outputted only on this particular page).', 'epic-ne' ),
			]
		);
	}

	public function render_custom_css( $post_id = null ) {
		if ( ! is_singular() ) {
			return;
		}

		if ( ! $post_id ) {
			$post_id = get_the_ID();
		}

		if ( $post_id ) {
			$settings = get_post_meta( $post_id, '_elementor_page_settings', true );

			if ( ! empty( $settings['custom_css'] ) ) {
				echo '<style type="text/css" data-type="elementor_custom-css">';
				echo strip_tags( $settings['custom_css'] );
				echo '</style>';
			}
		}
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'EPIC\Elementor\ModuleElementor' not found in /home/azulcris/public_html/wp-content/plugins/epic-news-element/includes/class/Init.php:131
Stack trace:
#0 /home/azulcris/public_html/wp-content/plugins/epic-news-element/includes/class/Init.php(36): EPIC\Init-&gt;load_module()
#1 /home/azulcris/public_html/wp-content/plugins/epic-news-element/includes/class/Init.php(27): EPIC\Init-&gt;__construct()
#2 /home/azulcris/public_html/wp-content/plugins/epic-news-element/epic-news-element.php(27): EPIC\Init::getInstance()
#3 /home/azulcris/public_html/wp-settings.php(522): include_once('/home/azulcris/...')
#4 /home/azulcris/public_html/wp-config.php(92): require_once('/home/azulcris/...')
#5 /home/azulcris/public_html/wp-load.php(50): require_once('/home/azulcris/...')
#6 /home/azulcris/public_html/wp-blog-header.php(13): require_once('/home/azulcris/...')
#7 /home/azulcris/public_html/index.php(17): require('/home/azulcris/...')
#8 {main}
  thrown in <b>/home/azulcris/public_html/wp-content/plugins/epic-news-element/includes/class/Init.php</b> on line <b>131</b><br />